module teapo.docs.CodeMirrorServices {

​

  export class DocumentState {

​

    private _doc: CodeMirror.Doc = null;

    loadText: () => string;

    constructor() {

    }

​

    doc(): CodeMirror.Doc {

​

      if (!this._doc) {

        var text = this.loadText();

        this._doc = new CodeMirror.Doc(text);

      }

​

      return this._doc;

    }

​

    private _initDoc(doc: CodeMirror.Doc) {

      CodeMirror.on(doc, 'change', (d, change) => this._onchange(change));

      CodeMirror.on(doc, 'cursorActivity', (d) => this._oncursorActivity());

    }

​

    private _onchange(change: CodeMirror.EditorChange) {

    }

​

    private _oncursorActivity() {

    }

​

  }

​

}